Electrical connector.



H. S5 SINES.

ELECTRICAL CONNECTOR.

APPLICATION man FEB.

Patented Sept. 19, 1916.

(f2 wie@ HAROLD S. SINES. 0F CHCAGO,

COMPANY, OF CHCAGG,

re.stanca ILLINZJIS..l SSIGNOR TO MINEBALLAC ELECTRIC ELLINOS, A CORPORATIN OF ILLINOXS.

ELECTRICAL CONNECTOR.

Application filed February 23, 1915. Serial No. 9,865.

Be it known that l, HAROLD S. Silvana citizen of the `llnited States, residing at Chicago, in, he county of Cook and State ot' Illinois, have invented certain new and 'useful Improvements in Electrical Connectors, of which the 'following is a full, clear, concise, and exact description, reference being had to the accompanying drawings, forming a part of 1this specification.

My invention relates toelectrical connectors and more particularly to devices adapted to serve as the terminals of electric coinlucting wires as connected with binding posts or bolts of electrical generating lor 4 translating devices.

My invention contemplates the` provision of a connector that may be manufactured at an extremely` low cost, and one .which :mayR be operatively connected with an associated conductor quickly and with a. minimum of eli'ort.

y invention will be more clearly understood by reference to the accompanying drawings, in which: 4

Figure 1 illustrates in elevation the connector ot' my invention; Fig. 2 is a central cross-sectional view thereof; Fig. j3 is an eleration ot the connector attached to an electrical conducting wire; Fig. 4 is a central cross-sectional view' of the completed connection, as shown in Fig. 3; Fig. 5 is a top elevational view of a modified torni of conncctor; Fig. G illustrates a complete electrical circuit employing the electrical connectors of my invention; if ig. T illustrates a niodilied torni ofl the connector of my invention, and lF ig. 8 shows a connector embodying my invention, the modified constructionillustrated in this ligure being particularly le lrable when a connector of comparatively larg size and heavy material is required.

ln 1 and 2. l have illustrateda connector termed cfdrawn brass or copper, and comprising a hollow, substantiallycylindrical shank 1l, formed integrally with an'ancular hase 12, the said base .12 being dished or upturned at its outer edge, as indicatedl at 13. and a. fiat annular top section 14, lying in a plane substantially normal t` the axis ot theshank 11. The. .lengthl of the .anlr i1 issuch that a stranded or solid wire or conductor may he inserted between a. the lianges 12 and lei, as indicated in Fig.` l,

and moreov r the opening@ 15 between the upwardly turned peripheral edge of the and tightened to a greater or less degreeas Vindicated 1n Fig. 1, the upper ange le is presseddownwardly by means' or' a ham? mer, plier orfother tool, so as to grip the wire or eable.t1ghtly between the llanges l2 and 14, as shown, the peripheral edgeof the H ange'l being brought substantially into engagement with theperipheral edge of the tiangle?. or brought within the upturned peripheral edge of the flange 12 so as toymake a smooth and finished terminal for the conductor'l as shown in Fig. .3. The end 17 oi the wire or conductor may if desired be twisted about the continuing portion of the wire, or that portion extending away from the shank;

In Fig. form of my invention in which for convenience in termine, :particularly inv larger sizes, the connector is rolled instead. of drawn, and for this reason slitted at one side, as indicated at 18. This figure illustrates alsofa modified form of the lower flange in 'which the peripheral edge .13gis not upturned throughout the entire Acircumference, this peripheral edge being flat and lying in the plane ci the balance of the liange 12 at the points 19 and 20. When this embodiment of my invention is employed, the conductor or wire vis led over the flattened portion 19 or 2O and thence around the shank of the connector, thus obviating the necessity' for` passing the wire or conductor over the upturned edge of the lower ilange 12, as would be the case in the forms illustrated in Figs. l, 2, 3 and Ll. Two liattcned portions, 19 and 20, will proveY desiraole in some cases, particularly where two wires or conductors are looped about the same shanlr or in case a wire is led wholly or partly around the shankandlthen on to some more distant point.

In l? ig G, l have illustrated an electromagnetic translating device 21 in the form of a relay or drop, and in which the terminal wires of the electromagnet winding are connected with binding posts 22 and 23. In this ligure l have illustrated diagrammatically an electric circuit comprising a battory or other source of electricity 24, a key 5I have illustrated a vmodified l,

lo looped and clamped in position.

or switch 25 and wires 26 and 27 to the end of each of which is applied a connector,

such as previously described. The connectors are slipped over the binding posts, as

5 shown in Fig. 6, and there clamped in place.

In Fig. 7 l have indicated the manner in which my invention may be applied to con nectors having a plurality of Shanks about each of whichl one or more wires may be In this forni of my' invention there is provided a common base plate 28, having upwardly turned peripheral edges at 2S) and 30, the top flanges 31 and 32 are substantially like those shown in Figs. l to 5 inclusive, the y conductors 33g and 34: are looped about the cylindrical Shanks 35 and 36 and the flanges hammered or pressed down to engage the loops, as previously described. The pe` zo'ripheral edges of the common flange 28 may bev flattened at one or more points, as indicated at 19 and 2O in Fig. 5, if' desired.

Theconnector contruction illustrated in Fig. 8 may be conveniently employed when aconnector formed of relatively heavy material is desired. The connector illustrated in this ligure comprises an annular base section 40, peripherally upturned as illustrat ed at 4l. A hollow central sha-nk illustrated at 42 is formed integrally with the base section 40, and formed integrally with the shank 42 is an upwardly :daring frustoconical flange 43. This connector is preferably formed of relatively heavy material and for this reason, if when a. wire is clamped between theupper and lower flanges, it should be necessary to distort the shank 42 to any considerable extent, it will be seen that a great amount of force would be required. As illustrated the shank et() is comparatively short and when a conductor 44 is looped around the shank it is merely necessaryl to force the periphery of the upmesme wardly flaring frusto-conical flange to the position indicated. by dotted lines to securely retain the conductor in proper position.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. A connector of the class described, comprising a hollow shank adapted to having a conductor looped therearound and adapted to be passed over a binding post, an

annular flange formed integrally with the shank at the lower end of the latter and disposed in a plane substantially normal to the axis of the shank, said annular flange being provided with an upturned lip at its periphery, and an annular flange formed integrally with the upper end of the shank, said last mentioned flange being of less Width than the lower'llange and arranged to be forced down within the upturned peripheral lip of the lower flange to clamp the conductor in position around the shank'.

2. A one piececonnector of the class dcscribed, comprising a short hollow shank adapted to have a conductor loopedwthere around, an annular flange formed integr-ally with the shank @at its lower end and disposed in a plane substantially normal to the axisof the shank, and an upwardly flaring' 

